672. Bulb Switcher II

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There is a room with n bulbs labeled from 1 to n that all are turned on initially, and four buttons on the wall. Each of the four buttons has a different functionality where: - Button 1: Flips the status of all the bulbs. - Button 2: Flips the status of all the bulbs with even labels (i.e., 2, 4, ...). - Button 3: Flips the status of all the bulbs with odd labels (i.e., 1, 3, ...). - Button 4:

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solution.cppC++17

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